Characteristics of Major Collective Bargaining Agreements, July 1, 1975 : Bulletin of the United States Bureau of Labor Statistics, No. 1957
United States. Bureau of Labor Statistics. "Characteristics of Major Collective Bargaining Agreements, July 1, 1975 : Bulletin of the United States Bureau of Labor Statistics, No. 1957," Characteristics of Major Collective Bargaining Agreements (1977). https://fraser.stlouisfed.org/title/4670/item/499399, accessed on May 8, 2024.